Question

How do you solve this

Answer 1

203.67 cm^2

Explanation:

I assume you were asked to find the total surface area.

2 * 4.0 cm * 9.0 cm/2 + 8.1 cm * 7.2 cm + 8.1 cm * 4.5 cm + 9.0 cm * 8.1 cm =

= 203.67 cm^2

Answer 2

145.39

Explanation:

(9*4)/2=18

18*8.1=145.39